Improper Authentication in vCenter Server and Cloud Foundation - CVE-2021-21986
Published: May 26, 2021
Vulnerability identifier: #VU53596
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-21986
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: VMware, Inc
Affected software:
vCenter Server
Cloud Foundation
vCenter Server
Cloud Foundation
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests to the Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager, and VMware Cloud Director Availability plug-ins. A remote non-authenticated attacker can bypass authentication process and gain unauthorized access to the application.
How to mitigate CVE-2021-21986
Install updates from vendor's website.